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Upper Namoi Zones 1, 6, 7, 8, 10 and Currabubula, Quipolly and Quirindi Alluvium Groundwater Status Update NAMOI ALLUVIUM WATER RESOURCE PLAN PUBLIC EXHIBITION Department of Industry | Water – June 2019

Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

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Page 1: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Upper Namoi Zones 1, 6, 7, 8, 10 and Currabubula, Quipolly and Quirindi Alluvium Groundwater Status Update

NAMOI ALLUVIUM WATER RESOURCE PLAN PUBLIC EXHIBITION Department of Industry | Water – June 2019

Page 2: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Water Source Overview

Page 3: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Location Map

Currabubula Alluvial

Quipolly Alluvial

Quirindi Alluvial

Upper Namoi Zone 7

Upper Namoi Zone 6 Upper Namoi Zone 10

Upper Namoi Zone 1

Upper Namoi Zone 8

Page 4: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Upper Namoi Zones 6 / 8 / 1 Cross Section

Page 5: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 1 Compliance with Extraction Limit

Upper Namoi Zone 1

Access License Category Number of Licenses Share Component

Aquifer 35 384

Local Water Utility (LWU) 2 1,216

Extraction Limit: 2,100 ML/Year

BLR (Stock and Domestic): 2,127 ML/Year

* 500 ML of LWU – surrendered and redistributed to AAL holders via an AWD of 2.3 ML/Share every year.

Approximate:

Average Use Since Plan:

1,200 ML

5 Year Average Use:

800 ML

Page 6: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 6 Compliance with Extraction Limit

Upper Namoi Zone 6

Access License Category Number of Licenses Share Component

Aquifer 32 10,948

Local Water Utility 0 0

Extraction Limit: 14,000 ML/Year

BLR (Stock and Domestic): 14,096 ML/Year

Approximate:

Average Use Since Plan:

1,300 ML

5 Year Average Use:

1,600 ML

Page 7: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 7 Compliance with Extraction Limit

Upper Namoi Zone 7

Access License Category Number of Licenses Share Component

Aquifer 17 3,697

Local Water Utility 0 0

Extraction Limit: 3,700 ML/Year

BLR (Stock and Domestic): 3,721 ML/Year

Approximate:

Average Use Since Plan:

1,600 ML

5 Year Average Use:

2,200 ML

Page 8: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 8 Compliance with Extraction Limit

Upper Namoi Zone 8

Access License Category Number of Licenses Share Component

Aquifer 63 16,122

Local Water Utility 1 50

Extraction Limit: 16,000 ML/Year

BLR (Stock and Domestic): 16,114 ML/Year

Approximate:

Average Use Since Plan:

14,400 ML

5 Year Average Use:

16,800 ML

Page 9: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 10 Compliance with Extraction Limit

Upper Namoi Zone 10

Access License Category Number of Licenses Share Component

Aquifer 6 1,920

Local Water Utility 0 0

Extraction Limit: 4,500 ML/Year

Plus BLR: 4,518 ML/Year

Approximate:

Average Use Since Plan:

93 ML

5 Year Average Use:

240 ML

Page 10: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

History of Use: < 5 ML /Yr

Existing Access Licenses & Extraction Limit: Currabubula

Currabubula

Access License Category Number of Licenses Share Component

Aquifer 4 327

Local Water Utility 0 0

Extraction Limit: 60 ML/Year

BLR (Stock and Domestic): 18 ML/Year

Page 11: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Quipolly Alluvium

Quipolly Alluvium

Access License Category Number of Licenses Share Component

Aquifer 7 737

Local Water Utility 0 0

Extraction Limit: 475 ML/Year

BLR (Stock and Domestic): 3.9 ML/Year

Quirindi Alluvium

Access License Category Number of Licenses Share Component

Aquifer 19 2,796

Local Water Utility 0 0

Extraction Limit: 1231 ML/Year

BLR (Stock and Domestic): 14.1 ML/Year

Page 12: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Groundwater Temporary Trading (71T)

Page 13: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Rainfall Residual Mass

Page 14: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Upper Namoi All Bores

Upper Namoi Average Usage

Last 5 Years

Page 15: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Hydrographs

Page 16: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Example hydrograph

Page 17: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Gunnedah Average Rainfall Residual Mass

Zone 8 – Breeza South

Page 18: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 8 – Breeza South

Gunnedah Average Rainfall Residual Mass

Page 19: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 7 – Coonabarabran Rd

Page 20: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 8 - Caroona

Gunnedah Average Rainfall Residual Mass

Page 21: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 8 - Quipolly

Gunnedah Average Rainfall Residual Mass

Page 22: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Zone 6 – Pine Ridge

Quirindi Average Rainfall Residual Mass

Page 23: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Long term water level change

map:

Pre –Development to

2015/2016

Water level change map:

2005/2006 to 2015/2016

Page 24: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper

Hydrographs

GW273290 Currabubula

GW273288 Quipolly

GW273289 Quirindi

GW273290 Currabubula

GW273288 Quipolly

GW273289 Quirindi

Page 25: Namoi Groundwater Update Presentation - Upper Namoi Zones ... · Location Map Currabubula Alluvial Quipolly Alluvial Quirindi Alluvial Upper Namoi Zone 7 Upper Namoi Zone 6 Upper